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Matter and Energy
| Question | Answer |
|---|---|
| Matter | Anything that has mass and takes up space |
| Mass | Describes the amount of matter in an object |
| Weight | A measure of the gravitational force on an object |
| Volume | The amount of space that an object takes up |
| Density | A measure of the amount of mass in a given volume |
| Physical Property | A characteristic that can be observed or measured |
| Chemical Property | A substance's ability to change to a new substance |
| Physical change | A change that affects one or more physical properties |
| Chemical Change | When substance change to entirely new substances |
| Law of Conservation of Mass | In ordinary chemical and physical changes, mass is not created or destroyed |
| Atom | The smallest unit of an element that maintains the properties of the element |
| Pure Substance | Elements and compounds |
| Element | Made up of one or more of the same atom combined |
| Heterogeneous | Does not have a uniform composition |
| Compound | Made up of different |
| Homogeneous | |
| Mixture |